Finding the Third Proportional to 1,017,144 and 2,211,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,144 : 2,211,408 = 2,211,408 : x
2. Step 2: Convert to fraction form
   1,017,144/2,211,408 = 2,211,408/x
3. Step 3: Cross multiply
   1,017,144x = 2,211,408 × 2,211,408
4. Step 4: Simplify right side
   1,017,144x = 4,890,325,342,464
5. Step 5: Solve for x
   x = 4,890,325,342,464/1,017,144
6. Step 6: Final answer
   x = 4,807,898.73